Samsung DVD-VR355 User Manual Page 51

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English - 51
Recording
Pictures with copy protection cannot be recorded on this DVD
Recorder & VCR.
When the DVD Recorder & VCR receives a copy guard signal while
recording, recording stops and the following message appears on
the screen.
Unrecordable video
TV broadcasts that contain copy control signals may have one of the
following three signal types, Copy-Free, Copy-Once and Copy-Never.
If you want to record a copy-once type programme, use DVD-RW with
CPRM in VR Mode and DVD-RAM discs.
Once Copy Once has been recorded, additional recording cannot be
performed.
* Compatible with CPRM.
Content Protection for Recordable Media (CPRM)
CPRM is a mechanism that ties a recording to the media on which it
is recorded. It is supported by some DVD recorders, but not by many
DVD players.
Each blank recordable DVD has a unique 64-bit media ID etched in
the BCA. When protected content is recorded onto the disc, it can
be encrypted with a 56-bit C2 (Cryptomeria) cipher derived from the
media ID.
During playback, the ID is read from the BCA and used to generate a
key to decrypt the contents of the disc.
If the contents of the disc are copied to other media, the ID will be
absent or wrong and the data will not be decryptable.
Concerning Copy Control Signals
Media
Signal type
Copy-Free Copy-Once Copy-Never
DVD-RAM (Ver.2.0)
OO* -
DVD+RW
O- -
DVD+R
O- -
DVD-RW (Ver.1.1)
O- -
DVD-RW (Ver.1.1)
with CPRM
VR mode
OO* -
DVD-R
O- -
You cannot record copy protected movie.
01375B-VR350,355-UMG,XSG-ENG.ind51 5101375B-VR350,355-UMG,XSG-ENG.ind51 51 2007-04-02 오후 4:59:102007-04-02 오후 4:59:10
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